{"id":"CVE-2018-8781","details":"The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.","modified":"2026-03-15T22:28:43.054081Z","published":"2018-04-23T19:29:00.340Z","related":["SUSE-SU-2018:1173-1","SUSE-SU-2018:1173-2","SUSE-SU-2018:1220-1","SUSE-SU-2018:1221-1","SUSE-SU-2018:1366-1","SUSE-SU-2018:1505-1","SUSE-SU-2018:1506-1","SUSE-SU-2018:1509-1","SUSE-SU-2018:1510-1","SUSE-SU-2018:1511-1","SUSE-SU-2018:1512-1","SUSE-SU-2018:1513-1","SUSE-SU-2018:1514-1","SUSE-SU-2018:1516-1","SUSE-SU-2018:1517-1","SUSE-SU-2018:1518-1","SUSE-SU-2018:1519-1","SUSE-SU-2018:1520-1","SUSE-SU-2018:1521-1","SUSE-SU-2018:1522-1","SUSE-SU-2018:1523-1","SUSE-SU-2018:1524-1","SUSE-SU-2018:1526-1","SUSE-SU-2018:1528-1","SUSE-SU-2018:1529-1","SUSE-SU-2018:1530-1","SUSE-SU-2018:1531-1","SUSE-SU-2018:1532-1","SUSE-SU-2018:1533-1","SUSE-SU-2018:1534-1","SUSE-SU-2018:1535-1","SUSE-SU-2018:1536-1","SUSE-SU-2018:1537-1","SUSE-SU-2018:1538-1","SUSE-SU-2018:1539-1","SUSE-SU-2018:1540-1","SUSE-SU-2018:1541-1","SUSE-SU-2018:1543-1","SUSE-SU-2018:1545-1","SUSE-SU-2018:1546-1","SUSE-SU-2018:1548-1","SUSE-SU-2018:1549-1","SUSE-SU-2018:1636-1","SUSE-SU-2018:1637-1","SUSE-SU-2018:1639-1","SUSE-SU-2018:1640-1","SUSE-SU-2018:1641-1","SUSE-SU-2018:1642-1","SUSE-SU-2018:1643-1","SUSE-SU-2018:1644-1","SUSE-SU-2018:1645-1","SUSE-SU-2018:1648-1","SUSE-SU-2018:1816-1","SUSE-SU-2018:2092-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html"},{"type":"ADVISORY","url":"https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3677-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4188"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3096"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3654-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3654-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3656-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3674-1/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:2948"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3083"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3674-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3677-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4187"},{"type":"FIX","url":"https://patchwork.freedesktop.org/patch/211845/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"3.4"},{"fixed":"3.16.57"}]},{"events":[{"introduced":"3.17"},{"fixed":"3.18.103"}]},{"events":[{"introduced":"3.19"},{"fixed":"4.1.52"}]},{"events":[{"introduced":"4.2"},{"fixed":"4.4.125"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.91"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.31"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.15.14"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8781.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}